Openwall GNU/Linux (Owl) 3.1-stable branch is available. According to the announcement, “Recent changes in Owl 3.1-stable include update to RHEL 5.11-based Linux/OpenVZ kernel along with Red Hat’s fix for a local privilege escalation vulnerability on x86-64 (CVE-2014-9322). So please upgrade.”
Owl is a security-enhanced operating system designed for servers.
